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This monograph provides an introductory discussion of evanescent
waves and plasmons, describes their properties and uses, and shows
how they are fundamental when operating with nanoscale optics. Far
field optics is not suitable for the design, description, and
operation of devices at this nanometre scale. Instead one must work
with models based on near-field optics and surface evanescent
waves. The new discipline of plasmonics has grown to encompass the
generation and application of plasmons both as a travelling
excitation in a nanostructure and as a stationary enhancement of
the electrical field near metal nanosurfaces. The book begins with
a brief review of the basic concepts of electromagnetism, then
introduces evanescent waves through reflection and refraction, and
shows how they appear in diffraction problems, before discussing
the role that they play in optical waveguides and sensors. The
application of evanescent waves in super-resolution devices is
briefly presented, before plasmons are introduced. The surface
plasmon polaritons (SPPs) are then treated, highlighting their
potential applications also in ultra-compact circuitry. The book
concludes with a discussion of the quantization of evanescent waves
and quantum information processing. The book is intended for
students and researchers who wish to enter the field or to have
some insight into the matter. It is not a textbook but simply an
introduction to more complete and in-depth discussions. The field
of plasmonics has exploded in the last ten years, and most of the
material treated in this book is scattered in original or review
papers. A short comprehensive treatment is missing; this book is
intended to provide just that.
The aim of the work is give an overview of the activity in the
field of Photonic Crystal developed in the frame of COST P11 action
. The main objective of the COST P11 action was to unify and
coordinate national efforts aimed at studying linear and nonlinear
optical interactions with Photonic Crystals (PCs), without
neglecting an important aspect related to the material research as
idea and methods of realizations of 3D PC, together with the
development and implementation of measurement techniques for the
experimental evaluation of their potential applications in
different area, as for example telecommunication with novel optical
fibers, lasers, nonlinear multi-functionality, display devices,
opto-electronics, sensors.
The book contain contributions from authors who gave their
lecture at the Cost P11 Training School.
Training School was held at the Warsaw University (2007) and
National Institute of Telecommunications (May 23), Warsaw. It was
attended by 23 students. The focus of the School was on the work of
working groups WG1 and WG3 of the COST P11 Action, concerning the
active and non-linear properties of photonic crystals and the
fabrication and characterisation of photonic crystal structures.
This was supported by two opening lectures providing a general
introduction to the topics covered within the action and a summary
of the challenges faced by and achievements of the modelling and
simulation activities developed during the Action.
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